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Old 12-18-2011, 07:32 PM   #1
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Horn Relay

Good everning peoples,


I looked under the hood for the horn relay, to no avail.


Im looking for a 12vdc feed.


Thanks in advance.

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Old 12-18-2011, 07:39 PM   #2
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Old 12-18-2011, 07:56 PM   #3
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Most likely on the TIPM module under the hood. Have not searched for it myself but here is a photo I borrowed.


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Old 12-20-2011, 06:24 PM   #4
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Bump
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Old 12-21-2011, 07:11 AM   #5
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What are you trying to wire to the horn?
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Old 12-21-2011, 01:14 PM   #6
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Quote:
Originally Posted by daggo66 View Post
What are you trying to wire to the horn?

I am trying to take a 12vdc feed from the relay to power my siren so the horn switch in the steering wheel can be used as a momentary switch. It will he on a switch between regular horn and siren. This is the first vehicle that i can't find the relay.
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Old 12-21-2011, 08:55 PM   #7
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I don't think the horn has a relay. Like the turn signals, I think it's now all computer controled.
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Old 12-23-2011, 02:41 PM   #8
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Update: dealer sent me a document that says its a k19 relay. Can't find it.

I tested one of the horn leads for 12vdc at the horn but wasn't rewarded with 12vdc.

Any ideas how I can have the horn switch in the steering wheel send a signal to power a (normally open) relay?


On a side note, any ideas for getting power wires through the fire wall and into the cabin?
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Old 12-23-2011, 04:15 PM   #9
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It is pin X21 (Gray yellow wire) on the TIPM.
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Old 12-24-2011, 12:18 AM   #10
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next to you master brake cylinder, there is an opening that leads into the cab. you'll see other wires going through it.

Also if you pull off the covers next to your speakers, you'll see quarter sized holes that look like they are filled with foam. Poke through that and wires can be fed into the engine bay.
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Old 12-24-2011, 02:21 AM   #11
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Yes these wonderful new computerised vehicles... All inputs, like the horn button for example, simply send a signal on to the computer to tell it to do something - prob only a 5 volt signal at the horn button, though I cant verify that.
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Old 12-24-2011, 05:16 PM   #12
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Originally Posted by nwbronco View Post
It is pin X21 (Gray yellow wire) on the TIPM.
Thanks for the reply!
Is it a 12v lead?
Can you be more specific where I can find the harness?
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Old 12-24-2011, 07:13 PM   #13
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I will need to go through the electrical diagrams List member Phillip C. sent me. Be back soon.


2007 MY, right?

Bob K.
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Old 12-24-2011, 07:38 PM   #14
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I will need to go through the electrical diagrams List member Phillip C. sent me. Be back soon.


2007 MY, right?

Bob K.
Did you mean jk?
It is a 2011.
I'm going to contact the distributed and some local agencies that install sirens in dodge vehicles. I assume dodge vehicles should be wired similarly.
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Old 12-26-2011, 01:39 AM   #15
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Retested the horn lead at the horn, and indeed I got 12.4vdc.
It is the grey/yellow wire.
Thanks for the help.

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